This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A274317 #12 Jun 30 2016 15:21:09 %S A274317 3,1,6,2,9,7,5,4,15,17,12,19,18,21,8,10,23,22,11,14,13,31,33,35,36,16, %T A274317 34,41,43,42,38,40,45,47,27,20,52,49,54,50,57,46,59,58,24,55,63,56,26, %U A274317 65,25,71,73,67,28,70,75,29,32,30,72,85,80,82,86,91,89,87,92,90,94,93,37,95,39,99 %N A274317 Third row of infinite Sudoku-type array A269526. %H A274317 Alois P. Heinz, <a href="/A274317/b274317.txt">Table of n, a(n) for n = 1..2000</a> %Y A274317 Cf. A269526, A274315, A274316, A274318. %K A274317 nonn %O A274317 1,1 %A A274317 _N. J. A. Sloane_, Jun 29 2016